May
21
2014

Forty Percent Of Premature Deaths Can Be Prevented

A new report from the CDC (Center of Disease Control) in the US has revealed that up to 40% of premature deaths could be prevented by simple lifestyle changes. As this link shows every year about 900,000 premature deaths occur in the US, which are due to 5 major diseases that in the opinion of the CDC can be prevented by 20 to 40%. Here are the diseases that kill: cancer, heart disease, COPD/emphysema, stroke and accidents/injuries. These conditions were responsible for 63% of all deaths in the US in 2010.

Let’s discuss each of these conditions and how one could lower the risk of dying from them.

1. Cancer:

The Framingham Heart Study has shown that smoking and cancer are closely related. Smokers who quit can significantly reduce their risk of getting cancer. We also know that exercise and prophylactic supplements like fish oil and vitamin D3 have cancer preventative effects.

Antioxidant supplementation that included beta-carotene, vitamin A, vitamin C, and vitamin E daily or on alternate days for 1 to 12 years, along with selenium supplementation reduced the incidence of cancer of the esophagus, colon, pancreas, stomach or the liver. Insulin resistance due to sugar and starch overconsumption is causing cancer, particularly breast cancer, colorectal cancer and endometrial cancer. I have discussed this in a recent blog.

Pollution has been linked to increased lung cancer risks as discussed here.

2. Heart disease:

Heart disease can be caused by several factors in combination. Lifestyle issues are important: Smokers need to quit smoking as the Framingham Heart Study has shown more than fifty years ago that smoking causes heart attacks. Obesity and diabetes also contribute significantly to the risk of heart disease. Often these are connected to faulty nutrition, which is another lifestyle issue that comes to mind when too much sugar and starchy foods are taken in; your liver will convert these into fatty acids, triglycerides and elevated, oxidized LDL cholesterol, which gets deposited under the lining of the arteries. A lack of exercise adds to this problem as a lack of exercise lowers the protective HDL cholesterol and fat is deposited under the lining of the arteries. Start exercising and your protective HDL cholesterol will rise, your total cholesterol to HDL ratio will lower to healthier levels and your risk for hardening of the arteries and for getting a heart attack will fall. If you have diabetes, it is important that you manage your blood sugars well; this means that if you inject insulin, you want the blood sugar tests to be within the normal range and the hemoglobin A1C values to be below 5.5%. Poorly controlled diabetes is an important cause of heart attacks and strokes. High blood pressure is also an important cause of developing heart attacks and strokes. It is important to control your blood pressure by taking blood pressure lowering pills and also by exercising regularly. Exercise seems to send a signal to relax the blood vessels thus lowering the blood pressure, which in turn prevents heart attacks.

Forty Percent Of Premature Deaths Can Be Prevented

Forty Percent Of Premature Deaths Can Be Prevented

 

3. COPD/emphysema:

Chronic obstructive pulmonary disease (COPD) or emphysema is mostly caused by chronic exposure to cigarette smoke from smoking. The earlier you can quit, the better your chances that your breathing will not be the limiting factor when you age. But it is also important to avoid exposure to other noxious gases, such as from welding and from exposure to pollution. This may involve a decision to move to a less polluted area. Or it might involve a job retraining. Those who are suffering from COPD can be helped to a certain extent by a portable oxygen tank with nasal prongs.

4. Stroke:

As mentioned before, quitting smoking, controlling high blood pressure and controlling blood sugar, if you suffer from diabetes have been shown to stabilize your blood vessels including the ones that supply your brain. The key is to prevent hardening of the arteries by a healthy lifestyle. Exercising and keeping your weight under a body mass index of 25.0 have been shown to be effective stroke prevention. Healthy nutrition as indicated above under “heart disease” is equally important for stroke prevention. Go green (eat more vegetables, consume more green smoothies), cut down grains, sugar and starchy foods and you will live longer without strokes and heart attacks. Remember, what’s good for your heart is good for your brain!

5. Unintentional accidents/injuries:

Wearing helmets when bicycling, wearing seat belts when driving in a car, avoiding risky behaviors are all measures that save lives. One factor stands out in all of this: if you drink too much, you run the risk of being involved in unintentional accidents or injuries. People may not like to hear this, but your brain lacks the natural inhibitory impulses when you are under the influence of alcohol, so you become more daring and you may not pay attention for the split second that could have prevented an injury or accident. People react very differently to alcohol. Some people feel inebriated after only ½ a glass of wine or beer whereas others can drink more before they make mistakes. The best is to be sober when you drive, ski, use power tools or walk in traffic. Even climbing ladders requires a clear mind!

Conclusion:

As the CDC said 20 to 40% of premature deaths (deaths that occurred before the age of 80) could have been prevented, if the above-mentioned recommendations were followed. Let me rephrase this: 180,000 to 360,000 premature deaths every year in the US before the age of 80 could have been prevented! Curative medicine cannot help with these statistics as a heart attack or stroke has happened when it has struck you. Cancer and end stage lung disease are similar conditions that you are suddenly faced with when they occur and unintentional accidents just seem to happen. This is where the importance of prevention can be seen, because these little baby steps every day are adding up to something formidable, a force to be reckoned with. Be part of the solution, think prevention!

More information on:

1. Cancer mortality: http://nethealthbook.com/cancer-overview/overview/cancer-mortality-rate/

2. Higher vitamin D3 intake lowers mortality from heart attacks, strokes, cancer, fractures due to osteoporosis: http://nethealthbook.com/news/higher-vitamin-d-levels-associated-lower-risk-mortality/

Last edited Nov. 8, 2014

Mar
01
2014

Smoking Remains A Health Hazard

Recently new statistics came out that show that 48.8 million people in the US (19% of the population) still smoke. 22 % of the population are male, 17% female. Smoking is responsible for 20% of all deaths in the US (1 in 5 deaths). It is interesting to note that in the older age group (above the age of 65) only 8% are smoking, but 22 % of the 25 to 44 year old group is smoking. Among the American population Native Americans have the highest percentage of smokers (32% are smokers). 10% of Americans of Asian descend smoke. Blacks, Whites and Hispanics are placed in between them and the American Indians. Finally, people who can least afford it (who are below the poverty level) have the highest percentage of smokers (29% smoke) while 18% of people above the poverty level smoke. Education seems to have a protective effects when it comes to smoking: of the least educated group of people 45% are smokers while only 5% with postgraduate education smoke.

Effects of cigarette smoke on the body

As this link shows the concoction of various ingredients in the smoke of cigarettes causes various parts of the body to react differently to these chemicals. Here is a rundown of diseases caused by smoking cigarettes.

1. Lung cancer: This is the most common cause of death in women who smoke, more common now than breast cancer. 90% of lung cancers in women are due to smoking. The same was true in males, but as a group they now smoke less than in the past.

2. Other cancers:  cervical cancer, kidney cancer, pancreatic cancer, bladder, esophageal, stomach, laryngeal, oral, and throat cancers are all caused by smoking. Recently acute myeloid leukemia, a cancer of the bone marrow has been added to the list of smoking related cancers.

3. Abdominal aortic aneurysm: As cigarette smoke destroys elastic tissue, it is no wonder that the loss of support of the wall of the aortic artery leads to the development of large pouches, which eventually rupture with a high mortality rate due to massive blood loss.

4. Infections of lungs and gums: Smokers are prone to infections of the lungs (pneumonia) and of the gums (periodontitis).

5. Chronic lung diseases: emphysema, chronic bronchitis, asthma.

6. Cataracts: lack of perfusion of the lens leads to premature cataract formation.

7. Coronary heart disease: hardening of the coronary arteries, which leads to heart attacks, is very common in smokers.

8. Reproduction: reduced fertility in mothers, premature rupture of membranes with prematurely born babies; low birth weight; all this leads to higher infant mortality. Sudden infant death syndrome is found more frequently in children of smoking moms (Ref. 1).

9. Intermittent claudication: after decades of smoking the larger arteries in the legs are hardening and not enough oxygen reaches the muscles to walk causing intermittent pausing to recover from the muscle aches. If it is feasible a cardiovascular surgeon may be able to do a bypass surgery to rescue the legs, often though this is not feasible and the patients lower legs or an entire lower limb may have to be amputated.

10. Others: osteoporosis is more common in smokers; poor eye sight develops due to age-related macular degeneration that sets in earlier and due to tobacco amblyopia, a toxic effect from tobacco on the optic nerve; hypothyroidism is aggravated by smoking and menopause occurs earlier.

Smoking Remains A Health Hazard

Smoking Remains A Health Hazard

What happens in the lung tissue in smokers?

Ref. 1 gives a detailed rundown of the changes in the lung tissue as a result of exposure to cigarette smoke. The various components of cigarette smoke lead to an activation of special white blood cells, called monocytes that after stimulation turn into tissue macrophages. In addition neutrophils (regular white blood cells) also get stimulated. Between them they produce cytokines and chemokines and the neutrophils secrete elastase that digests elastic tissue in the lungs. Breakdown products of the elastic tissue serve as a powerful stimulus to the immune system to mount an autoimmune response. After some time of being exposed to cigarette smoke the immune system considers part of the lining of the lungs as foreign and cytotoxic lymphocytes attack the lining of the air sacs (alveoli). Lung specialists consider chronic obstructive pulmonary disease (COPD or emphysema) to be an autoimmune disease (Ref.1).

The sad part is that when this condition has progressed far enough, even quitting smoking may be too late to stop the autoimmune disease by itself as the body has been sensitized and the immune system is convinced that the altered lung tissue should be attacked. Add to this that carcinogenic substances and toxins in cigarette smoke damage the DNA of all cells and the energy producing mitochondria, and the stage is set for the combination of chronic inflammation and the release of free radicals to cause all of the diseases mentioned above.

Quit smoking still important

It is extremely important to quit as soon as possible to avoid the full-fledged sensitization of the immune system against ones own lung tissue. Studies have shown that 36% of survivors of heart attacks will successfully quit, 21% of healthy men with a known risk of cardiovascular disease will quit when asked to do so and 8% of pregnant women will quit. When a physician examines a patient in the office and asks a smoker to quit smoking 2% of these smokers will respond and still not smoke 1 year after this doctor’s visit. This may not sound like much, but it is an encouraging effect. Perhaps the most important fact is what I mentioned in the beginning of this blog: the least educated group of people smoked the most (45%) while the most educated people smoked the least (5% of people with a postgraduate education). My hope is that the Internet and other educational media will contribute to education to convince people how important prevention is.

Pharmacological assistance to quit smoking

Nicotine replacement therapy can involve any of 2- and 4-mg nicotine polacrilex gum, transdermal nicotine patches, nicotine nasal spray, the nicotine inhaler or nicotine lozenges. Discuss with your doctor what may be best in your case. Typically one of these products is used for 3 to 6 months.

Bupropion is an antidepressant with a nicotinic acetylcholine receptor affinity. Bupropion is useful to help with the withdrawal from nicotine addiction, which occurs in depressed or non-depressed people. It strictly has to do with the stimulation of the nicotinic acetylcholine receptor.  Typically the dose is 150 mg of a sustained released bupropion tablet per day for 7 days prior to stopping smoking, then at 300 mg (two 150-mg sustained-release doses) per day for the next 6 to 12 weeks. 44% quit at 7 weeks versus 19% of controls. A newer nicotine partial receptor stimulator, varenicline, has been compared to bupropion. It was slightly more effective in helping people to get off cigarettes. Varenicline is started at a dose of 0.5 mg per day for 3 days, then 0.5 mg twice daily for 4 days, followed by a maintenance dose of 1 mg twice daily. If nausea is a problem, lower doses can be used. Varenicline has been approved for a 3-month period with an option of a second 3-month period, if relapse occurs. Discuss with your doctor what is best for you.

According to Ref. 1 a combination therapy of bupropion and nicotine patch was more effective than either one alone.

Will power, hypnotherapy

Hypnotherapy to quit smoking has been popular, but is not as effective as it is often claimed. Will power, measured by the “placebo” response is quite effective given the fact that nicotine is very addictive and yet 19% in the placebo group were able to quit on their own. According to Ref. 1 varenicline treatment for 12 weeks produced abstinence for 9 to 52 weeks and was compared to bupropion and placebo. The abstinence rates were 23%, 15%, and 10% for varenicline, bupropion, and placebo. This means that will power was still 2/3 as effective as bupropion and 43% as effective as varenicline. Don’t underestimate will power!

Conclusion

The best scenario is to never start smoking. The second best is to quit as soon as possible. Unfortunately, the third scenario of continuing to smoke is still very prevalent worldwide. I have seen the damage done first hand in practicing medicine, which motivated me to never smoke. But I am aware of the difficulties of quitting because of the highly addictive nature of cigarette smoking. Where is the support from governments on this? The problem is that the government benefits from taxation of cigarettes. Nevertheless it is laudable that there are government sites through the CDC to help you quit smoking.

At the end we are all responsible for our own health. If you are presently smoking, psych yourself up for the day that you will quit. Quitting means that you are deciding actively to live longer. Studies have shown that it takes often several attempts before you eventually quit successfully.More information on some of the topics mentioned:

1. Lung cancer and other cancers: http://nethealthbook.com/cancer-overview/overview/epidemiology-cancer-origin-reason-cancer/

2. Heart attack: http://nethealthbook.com/cardiovascular-disease/heart-disease/heart-attack-myocardial-infarction-or-mi/

3. Chronic obstructive pulmonary disease: http://nethealthbook.com/lung-disease/chronic-obstructive-pulmonary-disease-copd/

Reference

1. Mason: Murray and Nadel’s Textbook of Respiratory Medicine, 5th ed.© 2010 Saunders

Last edited Nov. 7, 2014